Today's high in Houston will fall short of 100 degrees

By Dale Lezon |
July 27, 2011

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Searing heat and slight chance of thunderstorms are likely for the next few days in the Houston region, but a tropical system may spark a greater chance of rain in the area and break the heat later this week.

The relief will be short-lived, as the rain chances drop and the mercury climbs to near triple digits late this weekend, according to the National Weather Service.

Forecasters said a tropical wave in the northwest Caribbean Sea is likely move into the Gulf of Mexico within the next few days and may develop into a stronger system, sending rain into southeast Texas and the Houston region. The rain could help drop temperatures into the lower 90s, forecasters said.

But forecasters added it is too early to determine the path the system may take or how much rainfall it may be send to the region.

Today, the high will top out near 99 degrees under partly sunny skies. The low will be about 79. The heat index—how hot the air feels when temperature and humidity combine—could be has high as 107. A 30 percent chance of showers is possible.

The scorching heat continues Thursday, when the high will be near 99 degrees under partly sunny skies. The low will be about 78. A 30 percent chance of showers is possible, especially after about 1 p.m. as the mercury rises. The heat index will be about 106.

Rain chances increase to 50 percent Friday as the tropical system approaches the region. The high is likely to be near 93 degrees as clouds and rainfall help break the heat slightly. The low will be near 78. Southeast winds could between 5 mph and 15 mph with gusts up to 20 mph.

The rainfall won't linger and the weekend will likely be mostly dry and hot, forecasters said. The rain chances drop to 20 percent Saturday, when the high will be near 96 degrees under partly sunny skies. The low will be about 79.

The high climbs to 99 degrees Sunday under mostly sunny skies. The low will be about 80. No rain is forecast.